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Finding the Fourth Proportional to 504,047.80, 756,071.70 and 336,086.20

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Solution

The fourth proportional to 504,047.80, 756,071.70 and 336,086.20 is: 504,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.80 : 756,071.70 = 336,086.20 : x
  2. Step 2: Convert to fraction form
    504,047.80/756,071.70 = 336,086.20/x
  3. Step 3: Cross multiply
    504,047.80x = 756,071.70 × 336,086.20
  4. Step 4: Simplify right side
    504,047.80x = 254,105,264,580.54
  5. Step 5: Solve for x
    x = 254,105,264,580.54/504,047.80
  6. Step 6: Final answer
    x = 504,129.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.